﻿// Spun AJAX Framework
// Copyright (C) 2008 Blake Hegerle
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Spun.Naming.Paths;

namespace Spun.Bindings.Observation
{
    internal class BindingObserver
    {
        internal BindingObserver(IBinding Binding, BindingContext Context)
        {
            var NodeCount = Binding.Path.Count();

            ObserverNode NextInPathObserver = new BoundValueObserverNode(Context, Binding);

            NodeCount--;
            for (var i = NodeCount; i > 0; i--)
            {
                var Path = new Path(Binding.Path.Take(i));

                NextInPathObserver = new BoundModelObserverNode(NextInPathObserver, Path, Context);
            }

            NextInPathObserver.Update();
        }
    }
}
